Prosecution Insights
Last updated: April 19, 2026

Examiner: KESSLER, CHRISTOPHER S

Tech Center 1700 • Art Units: 1733 1734 1759 1784 1793

This examiner grants 59% of resolved cases

Performance Statistics

59.4%
Allow Rate
-5.6% vs TC avg
844
Total Applications
+15.0%
Interview Lift
1412
Avg Prosecution Days
Based on 783 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
16.2%
§102 Novelty
45.2%
§103 Obviousness
27.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18256184 METHOD FOR SURFACE TREATMENT BY SELECTIVE REMOVAL OF A BONDING PRIMER ON A TITANIUM OR TITANIUM ALLOY SUBSTRATE Non-Final OA SAFRAN AIRCRAFT ENGINES
18559043 ALLOY, POWDER, METHOD AND COMPONENT Non-Final OA Siemens Energy Global GmbH & Co. KG
18116580 ADAPTIVE MANUFACTURING USING A CT SCAN AND AN ADAPTIVE MANUFACTURING TOOLPATH Final Rejection Pratt & Whitney Canada Corp.
18116559 ADAPTIVE OVERHAUL USING CT SCAN SINGLE DATA SET Final Rejection Pratt & Whitney Canada Corp.
18116588 ADAPTIVE MANUFACTURING USING AN ADAPTIVE MANUFACTURING TOOLPATH Final Rejection Pratt & Whitney Canada Corp.
18108132 ADAPTIVE OVERHAUL USING STRUCTURED LIGHT SINGLE DATA SET Final Rejection Pratt & Whitney Canada Corp.
18554884 COPPER ALLOY SHEET MATERIAL AND METHOD FOR PRODUCING THE COPPER ALLOY SHEET MATERIAL Non-Final OA DOWA METALTECH CO., LTD.
18547409 HOT-ROLLED COPPER ALLOY SHEET AND SPUTTERING TARGET Non-Final OA MITSUBISHI MATERIALS CORPORATION
18250368 METHOD FOR MAKING A BRAKING BAND OF A CAST IRON BRAKE DISC WITH INCREASED RESISTANCE TO WEAR AND CORROSION AND BRAKING BAND THUS OBTAINED Non-Final OA BREMBO S.p.A.
18280011 TAILOR WELDED BLANK, HOT PRESS FORMED PART, AND METHOD FOR MANUFACTURING SAME Non-Final OA POSCO Co., Ltd
17900632 METAL MATRIX COMPOSITES FOR DRILL BITS Final Rejection Kennametal Inc.
18458512 PROPERTY TAILORED ADDITIVELY MANUFACTURED COMPOSITE STRUCTURAL ELEMENTS USING CONGRUENTLY MELTED TITANIUM-NIOBIUM-ZIRCONIUM ALLOY MATRIX Non-Final OA Raytheon Company
18278964 LIGHTFASTNESS IMPROVER FOR ANODIC OXIDE FILM OF DYED ALUMINUM OR ALUMINUM ALLOY AND METHOD FOR IMPROVING LIGHTFASTNESS OF FILM Non-Final OA OKUNO CHEMICAL INDUSTRIES CO., LTD.
17298292 METHOD FOR FORMING ZINC-PLATED STEEL PLATE OR STEEL BELT HAVING GOOD CORROSION RESISTANCE Final Rejection BAOSHAN IRON & STEEL CO., LTD.
18283570 Spheroidal Graphite Cast Iron, Method for Manufacturing Spheroidal Graphite Cast Iron, and Spheroidizing Treatment Agent Non-Final OA Kuwana Metals, Ltd.
18183466 ALLOY AND COMPOSITE FORMATION BY REACTIVE SYNTHESIS DURING ADDITIVE MANUFACTURING Non-Final OA Wisconsin Alumni Research Foundation
17788964 NANOCRYSTALLINE SOFT MAGNETIC ALLOY Final Rejection NATIONAL INSTITUTE FOR MATERIALS SCIENCE
18249216 IRON-BASED AMORPHOUS ALLOY POWDER, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF Final Rejection HENGDIAN GROUP DMEGC MAGNETICS CO., LTD
18031997 METHOD FOR MANUFACTURING IRON (Fe)-NICKEL (Ni) ALLOY POWDER Non-Final OA SUMITOMO METAL MINING CO., LTD.
18023198 Al WIRING MATERIAL Non-Final OA NIPPON STEEL Chemical & Material Co., Ltd.
18041707 CERMET DECORATIVE ITEM Final Rejection The Swatch Group Research and Development Ltd
18039545 A HIGH TEMPERATURE STABLE ALSICU ALLOY Non-Final OA Norsk Hydro ASA
18552979 FERROSILICON VANADIUM AND/OR NIOBIUM ALLOY, PRODUCTION OF A FERROSILICON VANADIUM AND/OR NIOBIUM ALLOY, AND THE USE THEREOF Non-Final OA ELKEM ASA
18233949 Geothermally Powered Pyrometallurgical Zinc Production Non-Final OA EnhancedGEO Holdings, LLC
18280889 METHOD FOR PRODUCING PELLETS FIRED IN A PELLETIZING KILN Non-Final OA Vale S.A.
18278106 Cast Iron Material, Use of a Cast Iron Material and Method Manufacturing And/or Lining a Forming Tool Non-Final OA Siempelkamp Maschinen- und Anlagenbau GmbH
18272985 ARRANGEMENT AND PROCESS FOR CHARGING IRON ORE TO, AND/OR DISCHARGING SPONGE IRON FROM, A DIRECT REDUCTION SHAFT Non-Final OA HYBRIT Development AB
18247741 WIRE ROD FOR 5000 MPA-GRADE DIAMOND WIRE AND PRODUCTION METHOD THEREFOR Non-Final OA JIANGSU SHAGANG GROUP CO., LTD.
17291823 HIGH STRENGTH STEEL PLATE FOR STRUCTURE WITH GOOD SEAWATER CORROSION RESISTANT PROPERTY AND METHOD OF MANUFACTURING SAME Final Rejection POSCO
18268705 HIGH-STRENGTH AND HIGH-TOUGHNESS NON-HEAT-TREATABLE DIE-CASTING ALUMINUM-SILICON ALLOY AND PREPARATION METHOD THEREFOR Non-Final OA FENGYANG AER SI LIGHT ALLOY PRECISION MOLDING CO. LTD

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